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Chapter 4  Rocks: Mineral Mixtures Understanding Rock Section 1
Rock <ul><li>A solid mixture of crystals of one or more minerals </li></ul>
Rock Cycle <ul><li>Igneous, Sedimentary & Metamorphic rock </li></ul>
Rock Cycle
Sedimentary Rock <ul><li>Rock that forms when sediments are compacted & cemented together </li></ul>
Igneous Rock <ul><li>Forms from the cooling of Magma </li></ul>
Lava Rock <ul><li>Magma on the Earth’s surface </li></ul>
Metamorphic Rock <ul><li>Preexisting rock changed by heat & pressure </li></ul>
Composition <ul><li>The minerals a rock is made of </li></ul>
Texture <ul><li>Size, shapes & positions of the grains of the rock </li></ul>
Chapter 4  Rocks: Mineral Mixtures Igneous Rock Section 2
Temperature <ul><li>An increase in temperature can cause the rock to melt </li></ul>Gabbro.
Felsic Granite     Rhyolite
Mafic <ul><li>Gabbro </li></ul><ul><li>Basalt </li></ul>
Intrusive Rock <ul><li>Magma that has cooled beneath the Earth’s surface </li></ul>
Pluton <ul><li>Large balloon shaped intrusive formation </li></ul>
Extrusive Igneous Rock <ul><li>Igneous rock that forms on the Earth’s surface </li></ul>                                  ...
Chapter 4  Rocks: Mineral Mixtures Sedimentary Rock Section 3
Strata <ul><li>Layers of sedimentary rock </li></ul>
Clastic Sedimentary Rock <ul><li>Made from fragments of other rocks & minerals </li></ul>
Chemical Sedimentary Rock <ul><li>Forms from solutions of minerals & water </li></ul>
Stratification <ul><li>Layering of sedimentary rock </li></ul>
Sedimentary Rock Cycle
Chapter 4  Rocks: Mineral Mixtures Metamorphic Rock Section 4
Metamorphic Rock <ul><li>Rocks in which structure, texture & composition have changed </li></ul>
Foliated <ul><li>Minerals aligned & almost like pages in a book </li></ul>                                            
Nonfoliated <ul><li>Metamorphic rock which does not have a pattern </li></ul>
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OLM Science6_4

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Grade 6, Chapter 4

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Transcript of "OLM Science6_4"

  1. 1. Chapter 4 Rocks: Mineral Mixtures Understanding Rock Section 1
  2. 2. Rock <ul><li>A solid mixture of crystals of one or more minerals </li></ul>
  3. 3. Rock Cycle <ul><li>Igneous, Sedimentary & Metamorphic rock </li></ul>
  4. 4. Rock Cycle
  5. 5. Sedimentary Rock <ul><li>Rock that forms when sediments are compacted & cemented together </li></ul>
  6. 6. Igneous Rock <ul><li>Forms from the cooling of Magma </li></ul>
  7. 7. Lava Rock <ul><li>Magma on the Earth’s surface </li></ul>
  8. 8. Metamorphic Rock <ul><li>Preexisting rock changed by heat & pressure </li></ul>
  9. 9. Composition <ul><li>The minerals a rock is made of </li></ul>
  10. 10. Texture <ul><li>Size, shapes & positions of the grains of the rock </li></ul>
  11. 11. Chapter 4 Rocks: Mineral Mixtures Igneous Rock Section 2
  12. 12. Temperature <ul><li>An increase in temperature can cause the rock to melt </li></ul>Gabbro.
  13. 13. Felsic Granite   Rhyolite
  14. 14. Mafic <ul><li>Gabbro </li></ul><ul><li>Basalt </li></ul>
  15. 15. Intrusive Rock <ul><li>Magma that has cooled beneath the Earth’s surface </li></ul>
  16. 16. Pluton <ul><li>Large balloon shaped intrusive formation </li></ul>
  17. 17. Extrusive Igneous Rock <ul><li>Igneous rock that forms on the Earth’s surface </li></ul>                                             
  18. 18. Chapter 4 Rocks: Mineral Mixtures Sedimentary Rock Section 3
  19. 19. Strata <ul><li>Layers of sedimentary rock </li></ul>
  20. 20. Clastic Sedimentary Rock <ul><li>Made from fragments of other rocks & minerals </li></ul>
  21. 21. Chemical Sedimentary Rock <ul><li>Forms from solutions of minerals & water </li></ul>
  22. 22. Stratification <ul><li>Layering of sedimentary rock </li></ul>
  23. 23. Sedimentary Rock Cycle
  24. 24. Chapter 4 Rocks: Mineral Mixtures Metamorphic Rock Section 4
  25. 25. Metamorphic Rock <ul><li>Rocks in which structure, texture & composition have changed </li></ul>
  26. 26. Foliated <ul><li>Minerals aligned & almost like pages in a book </li></ul>                                            
  27. 27. Nonfoliated <ul><li>Metamorphic rock which does not have a pattern </li></ul>

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